CVE-2016-9539

tools/tiffcrop.c in libtiff 4.0.6 has an out-of-bounds read in readContigTilesIntoBuffer()....

9.8 CriticalFix available

tools/tiffcrop.c in libtiff 4.0.6 has an out-of-bounds read in readContigTilesIntoBuffer(). Reported as MSVR 35092.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

3.33%Up 2.4 points since Feb 4, 2022

What each source reports

NVD Score used 9.8

tools/tiffcrop.c in libtiff 4.0.6 has an out-of-bounds read in readContigTilesIntoBuffer(). Reported as MSVR 35092.

Record: CVE-2016-9539
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness: CWE-119, CWE-125
Updated: 2026-11-02

CVE List No score

tools/tiffcrop.c in libtiff 4.0.6 has an out-of-bounds read in readContigTilesIntoBuffer(). Reported as MSVR 35092.

Record: CVE-2016-9539
Updated: 2026-11-02

EUVDEUVD-2016-10345 No score

tools/tiffcrop.c in libtiff 4.0.6 has an out-of-bounds read in readContigTilesIntoBuffer(). Reported as MSVR 35092.

Record: EUVD-2016-10345
Updated: 2026-11-03

GitHub AdvisoriesGHSA-9m2j-v578-8v32 9.8

tools/tiffcrop.c in libtiff 4.0.6 has an out-of-bounds read in readContigTilesIntoBuffer()....

tools/tiffcrop.c in libtiff 4.0.6 has an out-of-bounds read in readContigTilesIntoBuffer(). Reported as MSVR 35092.

Record: GHSA-9m2j-v578-8v32
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-119
Updated: 2026-11-02

OSV 9.8

tools/tiffcrop.c in libtiff 4.0.6 has an out-of-bounds read in readContigTilesIntoBuffer(). Reported as MSVR 35092.

Record: CVE-2016-9539
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVDEBIAN-CVE-2016-9539 9.8

tools/tiffcrop.c in libtiff 4.0.6 has an out-of-bounds read in readContigTilesIntoBuffer(). Reported as MSVR 35092.

Record: DEBIAN-CVE-2016-9539
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2016-9539 9.8

tools/tiffcrop.c in libtiff 4.0.6 has an out-of-bounds read in readContigTilesIntoBuffer(). Reported as MSVR 35092.

Record: UBUNTU-CVE-2016-9539
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVUSN-3212-1 No score

tiff vulnerabilities

It was discovered that LibTIFF incorrectly handled certain malformed images. If a user or automated system were tricked into opening a specially crafted image, a remote attacker could crash the application, leading to a denial of service, or possibly execute arbitrary code with user privileges.

Record: USN-3212-1
Updated: 2026-11-02

Affected products

libtiff

Affected packages

Affected packages
Package	Affected	Fixed
`tiff` Debian:12	before 4.0.7-1	4.0.7-1
`tiff` Debian:13	before 4.0.7-1	4.0.7-1
`tiff` Debian:14	before 4.0.7-1	4.0.7-1
`tiff` Ubuntu:14.04:LTS	before 4.0.3-7ubuntu0.6, plus listed versions 4.0.2-4ubuntu34.0.3-5ubuntu14.0.3-64.0.3-6ubuntu14.0.3-7 Show 4 moreShow less 4.0.3-7ubuntu0.14.0.3-7ubuntu0.24.0.3-7ubuntu0.34.0.3-7ubuntu0.4	4.0.3-7ubuntu0.6
`tiff` Ubuntu:16.04:LTS	before 4.0.6-1ubuntu0.1, plus listed versions 4.0.3-12.3ubuntu24.0.5-14.0.6-1	4.0.6-1ubuntu0.1
`tiff` Ubuntu:14.04:LTS From an advisory covering 39 CVEs	before 4.0.3-7ubuntu0.6, plus listed versions 4.0.2-4ubuntu34.0.3-5ubuntu14.0.3-64.0.3-6ubuntu14.0.3-7 Show 4 moreShow less 4.0.3-7ubuntu0.14.0.3-7ubuntu0.24.0.3-7ubuntu0.34.0.3-7ubuntu0.4	4.0.3-7ubuntu0.6
`tiff` Ubuntu:16.04:LTS From an advisory covering 39 CVEs	before 4.0.6-1ubuntu0.1, plus listed versions 4.0.3-12.3ubuntu24.0.5-14.0.6-1	4.0.6-1ubuntu0.1

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2016-9539 is a critical vulnerability (CVSS 9.8) in Libtiff, published November 22, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.33%, the 88th percentile. Fixed in tiff 4.0.7-1.

References

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